This README is based on the commit that added the HAL:
* b94d572a6 (Import Atmel SAM E70 header files from ASF library)
And documents all the patches that were applied so far:
* 133306152 (Add missing header files symbols for Atmel SAM E70)
* 9670dc582 (Remove unused and broken preprocesor macros)
* e5e99d199 (Add missing interrupt number definitions)
Signed-off-by: Tomasz Gorochowik <tgorochowik@antmicro.com>